Fooled by Randomness 

Fooled By Randomness

These are personal notes (some copy/pasted), so please don't judge any grammar! If you see something interesting here, let's discuss it! 

Solon’s Warning 

  • Due to the undetermined future we cannot judge happiness 
  • Random success can impact social pecking order 
  • Studies have shown that some people would rather earn less money than have others out-earn them 
  • A string of successes releases serotonin and which sets of a positive-feedback cycle. This cycle can reverse and cause a string of failures. 
  • The success of a profession can only be measured by the success of the average person in that profession. 
  • You must consider alternative realities when considering if the outcome of some event was positive.
  • People do not like to consider abstract ideas only ones that are specific 
  • Traders may do best if they phase out the noise (media, news, reports) and focus only on relevant information 
  • Even evolution has been shown to be fooled by randomness. Sometime poor traits survive versus better ones 
  • Need to measure probability and outcome to find expected value. This is why option sellers can get crushed because the loss outcome multiplied by the probability has a very extremely negative expected value 
  • Rare events happen more often than we think because median and mean are not the same thing 
  • Because the markets are not stationary econometrics does not hold any value. 
man opening arms in nature

Monkey’s on Typewriters 

  • If you have enough of something random you are likely to find at least one instance of order/what you are looking for 
  • The survivorship bias limits our sample size and makes things appear less random 
  • People can only perceive one outcome. The brain is not able to appropriately weigh probabilities 

Wax in My Ears: Living with Randomness 

  • Everyone is fooled by randomness even, and sometimes especially so, mathematicians and finance “experts” 

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